The company listed in Shenzhen produces 5,000 t of PHA and 25,000 t of PHA composites. Sales grow continuously because the use of PHA mulch has been found to enhance the growth of peanuts through stimulation of plant-growth promoting rhizobacteria. The barrier properties of PHA films are not as good as with cheaper polyethylene films, so more water accumulates under PHA film, but this is better for crops because the crops will breatheand allow the farmland ground to keep cool.
China Bio news release, July 5, 2016